On Thu, 2011-05-26 at 23:28 +0300, Michael S. Tsirkin wrote:

On Thu, May 26, 2011 at 01:00:20PM -0700, Shirley Ma wrote:

quoted

3. Add sleep in vhost shutting down instead of busy-wait for

outstanding

quoted

   DMAs.

I still think this is not much better. We need to use a
completion structure and wait on it instead.
If this gets blocked thinkably a tx watchdog can fire and save us
from blocking forver :) 

Ok, I can add a completion structure here.

Thanks
Shirley